Home / 178,776,040-268,019,411.28-55,891,134.40

Finding the Fourth Proportional to 178,776,040, 268,019,411.28 and 55,891,134.40

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Solution

The fourth proportional to 178,776,040, 268,019,411.28 and 55,891,134.40 is: 83,791,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,776,040 : 268,019,411.28 = 55,891,134.40 : x
  2. Step 2: Convert to fraction form
    178,776,040/268,019,411.28 = 55,891,134.40/x
  3. Step 3: Cross multiply
    178,776,040x = 268,019,411.28 × 55,891,134.40
  4. Step 4: Simplify right side
    178,776,040x = 14,979,908,937,659,356
  5. Step 5: Solve for x
    x = 14,979,908,937,659,356/178,776,040
  6. Step 6: Final answer
    x = 83,791,479.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.